Translucency area has stripe-style issue on TSR

UE - Rendering - Features - Mar 28, 2024

The TSR History Rejection buffer develops a grid-like artifact over translucent, camera-facingplanes. This problem can be mitigated by increasing r.TSR.ShadingRejection.TileOverscan from 3 to 4 with ...

Handheld AR: Session fails to Start after minimizing/backgrounding the application

UE - Platform - XR - May 18, 2021

When the user minimizes or backgrounds an AR application, and re-opens it, new AR sessions will fail to start ...

Editor Crashes On Startup After Enabling Light Propagation Volume (LPV) With Forward Shading

UE - Graphics Features - Feb 20, 2017

After enabling Forward Shading that project can no longer operate while "r.LightPropagationVolume = 1" since it will crash immediately. ...

Crash running construction script after compiling BP function library

UE - Gameplay - Blueprint - Sep 15, 2020

Editor can assert when changing the signature of an editor authored Blueprint Library Function (FuncA) if that function is called from a Blueprint Library Function (FuncB) via an actor's constructio ...

Compiler warning after renaming variable in animation template

UE - Runtime - Anim BP - Aug 15, 2023

See UDN: [Link Removed] ...

StaticMeshActors spawned at runtime are not visible until a property has been changed and also have no collision unless set to moveable

UE - Gameplay - Dec 22, 2015

Spawning a StaticMeshActor at runtime results in the StaticMeshActor not being visible until a property has been changed, such as the material for the Static Mesh. The spawned actor will also have n ...

MoverExamples: characters have 1-frame unnecessary extra input latency

UE - Runtime - Character - Mar 6, 2024

Due to the way input is handled on the MoverExamplesCharacter, including AnimatedMannyPawn, we have a delay in the time between when an input event occurs and when it is ingested by the movement sim ...

Movie Render Queue does not render letterboxes to exports with sensor aspect ratios between 16:9 and 1:1

zComponent - Archive - Jul 28, 2021

There is a discrepancy between how Movie Scene Capture (Legacy) and Movie Render Queue handle letterboxing for sensor aspect ratio's that do not match the export resolution, which seems to be a bug ...

Const Blueprint Implementable Events don't update if const is removed from the native declaration

UE - Framework - Blueprint Editor - Oct 19, 2021

Constness is not updated in overridden BlueprintImplementableEvents when the native declaration is made non-const.  ...

After closing PIE, Right click dragging is confined to the Viewport bounds

Tools - Oct 27, 2017

After holding any mouse button down and pressing escape to quit the game, using the right mouse button to move in the viewport locks it to the left and right bounds of the viewport. Sometimes moving ...